//
//  WBVisitorView.swift
//  微博
//
//  Created by Mstarc on 2016/11/29.
//  Copyright © 2016年 Mstarc. All rights reserved.
//

import UIKit

/// 访客视图
class WBVisitorView: UIView {

    
    //MARK:设置访客视图信息
    //访客视图字典属性
    /// 使用字典设置访客视图的信息
    ///
    /// - parameter dict: [iamgeName / message]
    // - 提示:如果是首页 imageName == ""
    
    var visitorInfo : [String:String]?{
        didSet{
            //1>取字典信息
            guard let imageName = visitorInfo?["imageName"],
                let message = visitorInfo?["message"] else{
                    return
            }
            
            //2>设置消息
            tipLabel.text = message
            if imageName == "" {
                startAnimation()
                return
            }
            
            iconView.image = UIImage(named: imageName)
            //其他控制器的访问视图 不需要显示小房子 / 遮罩视图
            houseIconView.isHidden = true
            maskiconView.isHidden = true
        }
    }
    
    
    //MARK:构造函数
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }
    required init(coder adCoder:NSCoder) {
        fatalError("错误信息")
    }

  
    //旋转图标动画
    private func startAnimation(){
        let  anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        //动画完成不消除,如果iconView被释放,动画会一起销毁
        anim.isRemovedOnCompletion = false
        //将动画添加到图层
        iconView.layer.add(anim, forKey: nil)
    }
    
    
    
    
    //MARK: - 私有控件
    //图像视图
    lazy var iconView  = UIImageView(image: UIImage(named:"visitordiscover_feed_image_smallicon"))
    //遮罩view
    lazy var maskiconView  = UIImageView(image: UIImage(named:"visitordiscover_feed_mask_smallicon"))
    //小房子
    lazy var houseIconView  = UIImageView(image: UIImage(named:"visitordiscover_feed_image_house"))
    //提示标签
    lazy var tipLabel:UILabel = UILabel.cz_label(
        withText: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜",
        fontSize: 14,
        color: UIColor.darkGray)
    //注册按钮
    
    lazy var registButton:UIButton = UIButton.cz_textButton("注册", fontSize: 16, normalColor: UIColor.orange, highlightedColor: UIColor.black, backgroundImageName: "common_button_white_disable")
    //登录按钮
    lazy var loginButton:UIButton = UIButton.cz_textButton("登录", fontSize: 16, normalColor: UIColor.darkGray, highlightedColor: UIColor.black, backgroundImageName: "common_button_white_disable")
    
    
}

//MARK:设置界面
extension WBVisitorView{
    
    func setupUI()  {
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        //1.添加控件
        addSubview(iconView)
        addSubview(maskiconView)
        addSubview(houseIconView)
        addSubview(registButton)
        addSubview(loginButton)
        addSubview(tipLabel)
        //文本居中
        tipLabel.textAlignment = .center
        //2.取消autoresizing
        for v in subviews {
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        //3.自动布局
        let margin:CGFloat = 20.0
        
        //1>图像视图
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerX,
                                         multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerY,
                                         multiplier: 1.0, constant: -60))
        //2>小房子
        addConstraint(NSLayoutConstraint(item: houseIconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: houseIconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerY,
                                         multiplier: 1.0, constant: 0))
        //3>提示标签
//        
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))
        //4>注册
        addConstraint(NSLayoutConstraint(item: registButton,
                                         attribute:.left,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .left,
                                         multiplier: 1.0,
                                         constant: 0))
         addConstraint(NSLayoutConstraint(item: registButton,
                                          attribute:.top,
                                          relatedBy: .equal,
                                          toItem: tipLabel,
                                          attribute: .bottom,
                                          multiplier: 1.0,
                                          constant: margin))
        
         addConstraint(NSLayoutConstraint(item: registButton,
                                          attribute: .width,
                                          relatedBy: .equal,
                                          toItem: nil,
                                          attribute: .notAnAttribute,
                                          multiplier: 1.0,
                                          constant: 100))
        //4>登录
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute:.right,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .right,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute:.top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: registButton,
                                         attribute: .width,
                                         multiplier: 1.0,
                                         constant: 0))
        //6>遮罩View
        //views:定义VFL中 控件名称和实际名称的映射关系
        //metrics: 定义VFL 中 () 指定的映射关系
        let viewDict = ["maskiconView":maskiconView,
                        "registButton":registButton] as [String : Any]
        let metrics = ["spacing":-35]
        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-0-[maskiconView]-0-|",
                                                       options: [],
                                                       metrics: nil,
                                                       views:viewDict))
        
        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|-0-[maskiconView]-(spacing)-[registButton]",
                                                      options: [],
                                                      metrics: metrics,
                                                      views:viewDict))
        
    }
    
    
}



